Dolby Laboratories DP570 - Manual (Page 29)

Controlling the DP570 Monitoring Status Using the Front Panel
Dolby ® DP570 Multichannel Audio Tool User’s Manual 17
Basic Status Indicators
The indicators shown in Figure 3‐4 display the basic status information listed in Table 3‐4.
Figure 3-4 Basic LED Indicators
Channel Status Indicators
The indicators in Figure 3‐5, and described in Table 3‐4, show channel activity for either
input or output, depending on the state of the Input Activity button. By default the button
is unlit and the indicators show output activity. When you press the button, it lights up and
the indicators show input activity.
Table 3-3 Basic Status Indications
LED Indication and Meaning
Delay This LED is not active in this version.
Lt/Rt Input Green : Lt/Rt Input mode is active.
Off: Inactive
Solo Green : Solo input function is active.
Off: Inactive.
Metadata Input There are separate indicators for inputs 1 and 2.
Green : Signal is locked and valid.
Red : Invalid signal while unit is in External Metadata mode.
Off: Unit is not in External Metadata mode.
Remote Green : Remote is active.
Red : Communication problem.
Off: Remote is not activated.
V Ref Green : Signal is locked.
Red : No signal or invalid signal. (Check for proper termination.)
Fault Red : A hardware fault.
Off: No fault.
Error Red : Error condition.
Off: No errors.
This LED is activated when:
• No signal is locked to the AES 1/2 input.
• The metadata source is set to external, and there is no
external signal.
• The metadata source is set to external, and the external
vsynch is not valid.
• External metadata is not valid.
Tip: The meanings of some indications changes slightly between input activity and
output activity. Before acting on an indication, note which direction the unit is
displaying.
1 2
Metadata
Input
Metadata
Input Solo
Lt/Rt
Input
Lt/Rt
Input Delay Remote V Ref V Ref Error Fault